Finding the Fourth Proportional to 1,075,211.18, 1,611,912.80 and 719,138.42
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Solution
The fourth proportional to 1,075,211.18, 1,611,912.80 and 719,138.42 is: 1,078,103.02
Step by Step Solution
- Step 1: Write the proportion equation
1,075,211.18 : 1,611,912.80 = 719,138.42 : x - Step 2: Convert to fraction form
1,075,211.18/1,611,912.80 = 719,138.42/x - Step 3: Cross multiply
1,075,211.18x = 1,611,912.80 × 719,138.42 - Step 4: Simplify right side
1,075,211.18x = 1,159,188,412,514.52 - Step 5: Solve for x
x = 1,159,188,412,514.52/1,075,211.18 - Step 6: Final answer
x = 1,078,103.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.